CN109262321A - Flexible fixture based on CNC processing - Google Patents
Flexible fixture based on CNC processing Download PDFInfo
- Publication number
- CN109262321A CN109262321A CN201811331491.2A CN201811331491A CN109262321A CN 109262321 A CN109262321 A CN 109262321A CN 201811331491 A CN201811331491 A CN 201811331491A CN 109262321 A CN109262321 A CN 109262321A
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed
- push plate
- flexible fixture
- cnc processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 6
- 229920001342 Bakelite® Polymers 0.000 claims abstract description 4
- 239000004637 bakelite Substances 0.000 claims abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of flexible fixtures based on CNC processing, including the bottom plate for being fixed on platen, one end of the bottom plate is fixed with connecting plate, backing plate made of bakelite material is fixed on the connecting plate, and two adjacent lateral surfaces of connecting plate are respectively fixed with the locating piece that height is more than plane on the plate；Other two opposite lateral surface of connecting plate is respectively equipped with a push plate, and each push plate is individually fixed in a push plate driving mechanism, which is able to drive vertical line direction back and forth movement of the push plate along the push plate；The upper surface of each push plate is respectively fixed with gripping block, and the inner end of gripping block is movably placed on the upper side of backing plate.Flexible fixture based on CNC processing fast and reliable automated exchanged cutter square plate part on small size vertical machining center, having reduces operation labor intensity, the advantages that shortening non-cutting time, raise labour productivity, guarantee product quality.
Description
Technical field
The invention belongs to automatically processing device technical fields, particularly relate to a kind of flexible fixture, more particularly to
A kind of flexible fixture based on CNC processing.
Background technique
In automation industry, the processing of square plate parts is accounted for very at high proportion, and the size of this kind of part is different, and material has
Steel part, aluminum component, stainless steel part, nonmetal parts etc., it is various in style, it is small quantities of to be substantially single-piece.Such as attached drawing 1, processed in square plate
There are through-hole, stepped hole and groove milling and milling shape etc..
For the clamping of traditional square plate parts there are mainly three types of mode, the first is second by follower bolt clamping
It is by magnetic suction disc (including magnechuck and permanent magnetic chuck) or Pneumatic vacuum sucker clamping.The third is using gluing work
Skill applies in general to processing aluminum component and nonmetal parts, not only poor reliability, and glue can loosen under coolant liquid immersion, processing essence
Degree is difficult to ensure, and workbench later period cleaning glue is difficult.It is according to follower bolt clamping, then time-consuming and laborious, refering to attached drawing
2-1 and 2-2, nut 3 and pressing plate 4 can also be higher by the upper plane of workpiece 6, just need to increase cutter length in processing, so not
Cutter rigidity can be only reduced, reduces cutter life, and upper plane machining is limited, i.e., it cannot be guaranteed that headroom above workpiece, directly
Influence processing efficiency and machining accuracy.Magnetic suction disc clamping is then unable to clamping nonferromugnetic material refering to attached drawing 3-1 and 3-2,
Through-hole cannot be processed on workpiece.Pneumatic vacuum sucker cannot process through-hole on workpiece, and use and maintenance cost are high.By
This is as it can be seen that both universal fixturings all have limitation and advantage and disadvantage in use, it is difficult to meet a variety of demands processed at present.
Summary of the invention
In order to overcome drawbacks described above, the present invention provides a kind of flexible fixtures based on CNC processing, process in minitype vertical type
Fast and reliable automated exchanged cutter square plate part on center reduces operation labor intensity, shortens non-cutting time, raise labour productivity, protects
Demonstrate,prove product quality.
The present invention is to solve technical solution used by its technical problem: a kind of flexible fixture based on CNC processing,
Including the bottom plate for being fixed on platen, one end of the bottom plate is fixed with connecting plate, backing plate made of bakelite material
It is fixed on the connecting plate, it is more than plane on the backing plate that two adjacent lateral surfaces of the connecting plate, which are respectively fixed with height,
Locating piece；Other two opposite lateral surface of the connecting plate is respectively equipped with a push plate, and each push plate is individually fixed in one and pushes away
In plate driving mechanism, which is able to drive vertical line direction back and forth movement of the push plate along the push plate；Each push plate
Upper surface be respectively fixed with gripping block, the inner end of the gripping block is movably placed on the upper side of the backing plate.
As a further improvement of the present invention, the push plate driving mechanism includes linear guide, is slidably disposed within the straight line and leads
Sliding block on rail, and the cylinder of the vertical push plate setting, the lower end of the push plate are fixed on the sliding block, the cylinder
Cylinder block be fixed on the bottom plate, the piston rod of the cylinder passes through floating junction and the push plate floating connection.
As a further improvement of the present invention, the lateral surface of the push plate is equipped with fixing seat, the floating junction connection
In in the fixing seat.
As a further improvement of the present invention, it being set on the bottom plate there are two support, connecting plate is fixed on two supports,
The backing plate is fixed on connecting plate.
As a further improvement of the present invention, the upper surface of the push plate is equipped with the first T-slot along its length,
The gripping block passes through the T-nut that is placed in first T-slot and is bolted.T-nut below gripping block exists
Position is adjustable in first T-slot of push plate, when needing to adjust, unclamps bolt, moves gripping block, fixing bolt is again
It can.
As a further improvement of the present invention, the upper side of the platen is equipped at intervals with several the second T-slots,
The bottom plate is fixed in the second T-slot of the platen by screw and T-nut, and passes through positioning key
It is positioned with second T-slot.
As a further improvement of the present invention, negative angle is processed into the inner end of the gripping block and workpiece contact portion position.
As a further improvement of the present invention, two locating pieces are respectively formed and CNC machine towards the inner plane of workpiece
The X of bed is to zero reference opposite with Y-direction both direction, opposite zero-bit base of the upper plane of the backing plate as CNC machine Z-direction
It is quasi-.
The beneficial effects of the present invention are: should be mounted as a whole on bottom plate based on the flexible fixture that CNC is processed when in use,
Convenient for dismounting of the complete machine on lathe；By two groups of push plate driving mechanisms that linear guide and cylinder form be respectively formed X to and Y
It takes exercises guiding and support to the precise linear guide pair of both direction, bearing capacity is big, and frictional force is small, and precision keeps good, real
Headroom above existing workpiece；Within the scope of cylinder stroke, various sizes of clamping workpiece can be met without adjustment, be more than cylinder row
Journey range, replaceable various sizes of gripping block realizes flexible automation.To sum up, should be existed based on the CNC flexible fixture processed
Fast and reliable automated exchanged cutter square plate part on small size vertical machining center, having reduces operation labor intensity, shortens non-cutting time, mentions
The advantages that high labor productivity, guarantee product quality.
Detailed description of the invention
Fig. 1 is existing square plate machining state figure；
Fig. 2-1 is existing pressing plate clamping top view；
Fig. 2-2 is Fig. 2-1 sectional view；
Fig. 3-1 is existing magnechuck top view；
Fig. 3-2 is Fig. 3-1 sectional view；
Fig. 4 is schematic diagram of the three-dimensional structure；
Fig. 5 is one side schematic diagram of the present invention；
Fig. 6 is another side schematic diagram of the present invention；
Fig. 7 is the schematic diagram of the section structure of the present invention；
Fig. 8 is linear guide of the present invention and slide block structure schematic diagram；
Fig. 9 is structural representation of air cylinder of the present invention；
Figure 10 is Fig. 9 the schematic diagram of the section structure.
In conjunction with attached drawing, make the following instructions:
Wherein, 1 is platen；2 be pressure plate cushion block；3 be nut；4 be pressing plate；5 be bolt；6 be workpiece；11 be bottom
Plate；12 be backing plate；13 be locating piece；14 be push plate；15 be gripping block；16 be linear guide；17 be sliding block；18 be cylinder；19
For floating junction；20 be fixing seat；21 be support；22 be connecting plate；141 be the first T-slot；101 be the second T-slot；102 are
Screw；103 be T-nut；104 be positioning key；181 be cylinder block；182 be piston rod.
Specific embodiment
Below in conjunction with attached drawing, elaborate to a preferred embodiment of the invention.But protection scope of the present invention is not
Be limited to following embodiments, i.e., in every case with simple equivalence changes made by scope of the present invention patent and description with repair
Decorations, all still belong within the invention patent covering scope.
It refering to fig. 1-10, is a kind of flexible fixture based on CNC processing of the present invention, including for being fixed on lathe
Bottom plate 11 on workbench 1, one end of the bottom plate are fixed with connecting plate 22, and backing plate 12 made of bakelite material is fixed on the connection
When processing through-hole on plate, on workpiece can backing plate upper plane there are cutter trade (through-hole can be processed on workpiece), pad
Plate can re-work plane reparation after using to a certain extent.Two adjacent lateral surfaces of the connecting plate are fixed respectively
Having height is more than the locating piece 13 of plane on the backing plate；Other two opposite lateral surface of the connecting plate is respectively equipped with one and pushes away
Plate 14, each push plate are individually fixed in a push plate driving mechanism, which is able to drive the push plate along the push plate
Vertical line direction back and forth movement；The upper surface of each push plate 14 is respectively fixed with gripping block 15, the inner end activity of the gripping block
It is placed on the upper side of the backing plate.In use, bottom plate 11 is fixed on platen 1, workpiece 6 is placed on backing plate 12,
Then two push plate driving mechanisms, which are respectively started, drives corresponding push plate 14 to travel forward, and workpiece 6 is made to be fitted in two locating pieces 13
Between gripping block 15, headroom above workpiece is realized, to realize clamping positioning, can carry out through-hole, stepped hole and groove milling
With the milling working processes such as shape.
Wherein, the push plate driving mechanism includes linear guide 16, the sliding block being slidably disposed in the linear guide 17, and
The cylinder 18 of the vertical push plate setting, the lower end of the push plate are fixed on the sliding block, and the cylinder block 181 of the cylinder is solid
Due on the bottom plate, the piston rod 182 of the cylinder passes through floating junction 19 and the push plate floating connection.The push plate
Lateral surface is equipped with fixing seat 20, and the floating junction 19 is connected in the fixing seat.The piston rod of cylinder 18 is connect by floating
First 19 and fixing seat 20 connect with push plate 14, to drive push plate campaign, gripping block 15 is driven to clamp workpiece.And push plate passes through sliding block
17 slide fits can not only play the role of motion guide, but also bearing capacity is big in linear guide 16, and frictional force is small, and precision is kept
Property it is high.
It is set on the bottom plate there are two support 21, connecting plate 22 is fixed on two supports, and the backing plate 12 is fixed on company
On fishplate bar 22.During installation, first support and bottom plate are assembled, assembles positioning datum to determine, determines installation site, then pacify again
Linear guide etc. is filled, assembly difficulty is reduced.
The upper surface of the push plate is equipped with the first T-slot 141 along its length, and the gripping block is by being placed in this
T-nut in first T-slot is simultaneously bolted.T-nut below the gripping block position in the first T-slot of push plate
It is adjustable, when needing to adjust, bolt is unclamped, moves gripping block, again fixing bolt.
The upper side of the platen is equipped at intervals with several the second T-slots 101, and the bottom plate passes through screw 102
It is fixed in the second T-slot of the platen with T-nut 103, and passes through positioning key 104 and second T-slot
Positioning.Entire flexible fixture is installed on bottom plate, is dismounted on lathe convenient for complete machine.Machine is fixed on by screw and T-nut
On bed workbench, positioned by the second T-slot of positioning key and platen.
Negative angle is processed into the inner end and workpiece contact portion position of the gripping block 15, has pushing while top tight workpiece
Trend, it is ensured that workpiece precision is fitted in plane on backing plate after clamping, guarantees machining accuracy.Realize headroom above workpiece,
Two locating pieces 13 towards the inner plane of workpiece be respectively formed with the X of CNC machine to Y-direction both direction
Opposite zero reference, opposite zero reference of the upper plane of the backing plate 12 as CNC machine Z-direction.Convenient for lathe to knife and volume
Journey operation.
It can be seen that should be mounted as a whole on bottom plate, exist convenient for complete machine based on the flexible fixture that CNC is processed when in use
Dismounting on lathe；By two groups of push plate driving mechanisms that linear guide and cylinder form be respectively formed X to Y-direction both direction
Precise linear guide pair take exercises guiding and support, bearing capacity is big, and frictional force is small, and precision keeps good；In cylinder stroke model
In enclosing, various sizes of clamping workpiece can be met without adjustment, more than cylinder stroke range, replaceable various sizes of folder
Tight block realizes flexible automation.Negative angle is processed into the inner end and workpiece contact portion position of gripping block, has while top tight workpiece
The trend of pushing, it is ensured that workpiece precision is fitted in plane on backing plate after clamping, guarantees machining accuracy.Realize headroom above workpiece；
To sum up, the flexible fixture that should process based on CNC fast and reliable automated exchanged cutter square plate part on small size vertical machining center, is had and is dropped
The advantages that low operation labor intensity shortens non-cutting time, raises labour productivity, guarantees product quality.
Claims (8)
1. a kind of flexible fixture based on CNC processing, it is characterised in that: including the bottom for being fixed on platen (1)
Plate (11), one end of the bottom plate are fixed with connecting plate (22), and backing plate (12) made of bakelite material is fixed on the connecting plate, institute
The two adjacent lateral surfaces for stating connecting plate are respectively fixed with the locating piece (13) that height is more than plane on the backing plate；The connection
Other two opposite lateral surface of plate is respectively equipped with a push plate (14), and each push plate is individually fixed in a push plate driving mechanism
On, which is able to drive vertical line direction back and forth movement of the push plate along the push plate；The upper end of each push plate (14)
Face is respectively fixed with gripping block (15), and the inner end of the gripping block is movably placed on the upper side of the backing plate.
2. the flexible fixture according to claim 1 based on CNC processing, it is characterised in that: the push plate driving mechanism packet
The sliding block (17) for including linear guide (16), being slidably disposed in the linear guide, and the cylinder (18) of the vertical push plate setting,
The lower end of the push plate is fixed on the sliding block, and the cylinder block (181) of the cylinder is fixed on the bottom plate, the cylinder
Piston rod (182) pass through floating junction (19) and the push plate floating connection.
3. the flexible fixture according to claim 2 based on CNC processing, it is characterised in that: on the lateral surface of the push plate
Equipped with fixing seat (20), the floating junction (19) is connected in the fixing seat.
4. the flexible fixture according to claim 2 based on CNC processing, it is characterised in that: there are two being set on the bottom plate
Support (21), connecting plate (22) are fixed on two supports, and the backing plate (12) is fixed on connecting plate (22).
5. the flexible fixture according to claim 1 based on CNC processing, it is characterised in that: on the upper surface of the push plate
Equipped with the first T-slot (141) along its length, the gripping block passes through the T-nut that is placed in first T-slot and leads to
Bolt is crossed to fix.
6. it is according to claim 1 based on CNC processing flexible fixture, it is characterised in that: the platen it is upper
Side is equipped at intervals with several the second T-slots (101), and the bottom plate is fixed on institute by screw (102) and T-nut (103)
It states in the second T-slot of platen, and is positioned by positioning key (104) and second T-slot.
7. it is according to claim 1 based on CNC processing flexible fixture, it is characterised in that: the gripping block (15) it is interior
Negative angle is processed into workpiece contact portion position in end.
8. the flexible fixture according to claim 1 based on CNC processing, it is characterised in that: two locating pieces (13)
Inner plane towards workpiece is respectively formed with the X of CNC machine to zero reference opposite with Y-direction both direction, the backing plate
(12) opposite zero reference of the upper plane as CNC machine Z-direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811331491.2A CN109262321B (en) | 2018-11-09 | 2018-11-09 | Flexible clamp based on CNC processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811331491.2A CN109262321B (en) | 2018-11-09 | 2018-11-09 | Flexible clamp based on CNC processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109262321A true CN109262321A (en) | 2019-01-25 |
| CN109262321B CN109262321B (en) | 2023-09-19 |
Family
ID=65193324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811331491.2A Active CN109262321B (en) | 2018-11-09 | 2018-11-09 | Flexible clamp based on CNC processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109262321B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170862A (en) * | 2019-05-15 | 2019-08-27 | 昆山市佰瑞精密机械零组件有限公司 | Flexible lateral pressing clamp based on CNC processing |
| CN110227956A (en) * | 2019-04-23 | 2019-09-13 | 纽维科精密制造江苏有限公司 | Liftable CNC processing tool |
| CN111687463A (en) * | 2019-03-11 | 2020-09-22 | 北京小米移动软件有限公司 | Machining system and machining process for plane workpiece |
| CN112658751A (en) * | 2020-12-16 | 2021-04-16 | 昆山华誉自动化科技有限公司 | Fixture for CNC (computer numerical control) platform and product positioning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111687463A (en) * | 2019-03-11 | 2020-09-22 | 北京小米移动软件有限公司 | Machining system and machining process for plane workpiece |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109262321B (en) | 2023-09-19 |
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Effective date of registration: 20240511 Address after: Room 522, No. 76-2, Shenbei Road, Shenbei New District, Shenyang, Liaoning Province, 110135 Patentee after: Shenyang baiaote robot Co.,Ltd. Country or region after: China Address before: 215300 South side of Dongrong Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN BAIRUI PRECISION MACHINERY PARTS Co.,Ltd. Country or region before: China |
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